UnionSpecial SP100 Series User manual

MANUAL NO ..
INS9310
SlYLES
SP151H829M032
SP151 H830M032
SP151H829M040
SP151H830M040
SP161S800M032
SP161S800M040
SP161S800M048C
SP161S900M032C
SP1615900M040C
SP161 S900M048C
SP161 H829M032
SP161 H830M032
SP161H829M040
SP161 H830M040
SP1725800MAAC
SP172S800MACC
SP172S800MADC
SP172S900MACC
SP172S900MADC
SP 172S900MAEC
SP172S800MBDC
SP 172S900MBDC
SP172S9QOHAC
SP172S900HAD
SP172S900HAE
SP 172S9QOP ;o
SP172S900HBE
U.
FinestQuality
REV O-I-/27/9R
ADJUSTING INSTRUCTIONS
SP100 SERIES
No.OO
From the library of: Superior Sewing Machine & Supply LLC

A SAFETY RULES
BEFORE OPERATION •.....
CAUTIONS IN OPERATION
1. INSTALLING THE FRAME SUPPORT PLATE
2. MOTORPULLEYANDVBELT ....•
3. ATTACHING THE BELT COVER
4. INSTALLING THE PEDALS
5. LUBRICATION ...•..
6. ATTACHING NEEDLES
7. THREADING THE MACHINE •..
8. PRESSER FOOT PRESSURE AND liFTER
9. ADJUSTING THE STITCH LENGTH
10. DIFFERENTIAL FEED MECHANISM .•.
11. KNIVES AND OVEREDGEWIDTH
12. SPECIFICATIONS .....•••.
TABLE OF CONTENTS
Poge
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From the library of: Superior Sewing Machine & Supply LLC

Manual No. INS931 0 Adjusting Instructions for the SPI 00 Series Machines
First Edition Copyrightl993
By
Union Special Corporation Rights Reserved In All Countries
Printed in Japan October 1993
PREFACE
This adjusting manual has been prepared lo guide you while adjusting the SP100 Series machines. II eon be used in
conjunction with Union Special Illustrated Parts Manual P-RT9311.
Tl'lls manualexplainsin detail the proper seHing for each of the componenlsrelated to forming thestitch and completing
the functions of the machine. Illustrations are used to show the adjustments and rferenceletters are usedto point out specific
items discussed.
Careful oHentlon to fhe instructionsfor operamg and adjusting these machines will enable you to maintain the superior
performance
and reliability designed and built into every Union Special machine.
Adjustments are presentedin sequence so that a logical progression is occomplished. Some adjustments performed out
of sequence may have an adverse effect on the function of the other related perfs.
This manual has been comprised on the basis of available information. Changes in design and/or Improvements may
incorporate a slight modification of configuration in illustraHons or part numbers.
On the following pages will be found iDusiralions and fe!TTlinology used in describing the adjustmentsfor the SPlOO Series
machines.
SAFETY RULES
Genergl Opergfjng pjrectjons
The sewing machines described in this manual are prohibited until if has been ascertained, that the sewing units
In which these sewing machines will be built-In have conformed with the EC Council Directives (89/392/EEC,
Annex II 8).
1.
Before putting the machines described in this manual into service carefully read the instructions. The starting
of each machine is only permitted after taking notice of the instructions and by qualified operators.
IMPORTANT! Before pulling into service also read the safety rules and instruction from the motor supplier.
2. Observe the notional safety rules valid for your country.
3. Each machine is only allowed to be used as foreseen. The foreseen use of the particular machine is described
in paragraph "STYLES OF MACHINES" of this manual. Another use, going beyond the description is not as
foreseen.
4. All safety devices must be in position when the machine is ready for work or in operalion. The operation without
the appertaining safety devices is not allowed.
5. All safety devices are components of the sewing machines: Fingerguard, needle lever eyelet guard, needle
bar guard, needle break protection shield, handwheel-bell guard.
6. When gauge parts are exchanged (e.g. needle, presser loot, needle plate, feed dog and bobbin) during
threading, when the operator leaves the workplace, and during service work, the machine must be isolated
for the main power by switching off the main switch or disconnecting the main plug. On mechanically operated
clutch motors without a start inhibitor if is necessory to wait unlit the motor has stopped.
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7. Wear safety glasses.
8.
In case of machine conversions and changes all valid safety rules must be considered. Convarsions and
changes are made at your own risk.
9.
Commissioning of the sewing head is prohibited until such time as the entire sewing unit is found to comply
with EC regulations.
10. The warning hints in the instructions are marked with one of these two symbols.
& Danget of mjufY fo opetafive ot •etvlee •laff
Be sure to observe and adhere to these Indications and to the generally applicable regulations.
Specjal Operafing Pirectjons
11. For the following the machine has to be disconnected from the power supply by fuming off the main switch
or by pulling out the main plug:
11.1 For threading needle(s), looper, spreader etc.
11.2 For replacing sewing tools such as needle. presser foot, throat plale. looper. spreader, feed dog.
needle guard, folder, fabric guide etc.
11.3 When leaving the workplace and when the workplace is unattended.
11.4 For maintenance work.
11.5 When using dutch motors without actuation lock, wait until the motor is stopped totally.
General Mgjntengnce Pirectjons
12.
Maintenance, repair and conversion works (see item 8) must be done only by troined technicians or spe-cial
skilled personnel under consideration of the instructions.
13.
Any work on the electrical equipment must be done by electricians or under direction and supervision of
special skilled personnel.
Specjgl Mgiolengnce Directions
14. Work
on parts and equipment under electrical tension is not permitted. Permissible exceptions are
described in the applicable sections of standard sheet DIN VDE 0105.
15.
Before doing maintenance and repair work on the pneumatic equipment, the machine has to be
disconnected from the compressed air supply. In case of existing residual air pressure after disconnecting
from compressed air supply (e.g. pneumatic equipment with air lank), it has to be removed by bleeding.
Exceptions ere only allowed for adjusting work and function checks done by special skilled personnel.
Stgndards
17. The sewing machines described in this manual are built according to the following standards:
EN292-2 Safety
of machinery-basic concepts, general principles for design.
IEC204-3-1/EN60204-3·1 Electrical equipment of industrial machines. Port 3: Particular requirements
for sewing machines, units and systems.
-2-
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BEFORE OPERATION
(Viewed from side)
1. It the pointer bar of the oil gauge
comes down under the lower marker
line when observing the oil gauge
from sideward, supply oil referring to
the description of u5. Lubrication."
2. Apply two or three drollS of oil to the
needle bar and upper looper guide
when operating the machine lor the
first time aHer setup of after a long
period of disuse.
CAUTION!
For lhe first one month or so, operate the machine at
about 80% speed ol its max. sewing speed.
CAUTIONS IN OPERATION
3. "IlK!' correct machine running dlreelion
is such that the handwheel turns
clockwise as viewed from the hand·
wheel's side. Never run the machine
in the reverse direction.
.& CAUTION!
Before ~ulllng lnlg $ervlce
check lhe direr:tion ot rotallon.
Breaka"" may occur when lhe
direction ol rol"'lon Is wrong.
:A
~~
1. Do not put I"'Ur hand under the n.....:tle I
~--------.,o v~~~
A 2. Oo not p~ your han~ ~~tl1e eye guard A 3. Be"""' lo 1ur~ oH Ihe power $Wl1C~
'~-~---:"'ction while the machr... is running. I ~ before you remove the V ~It
when you tum on the po...,r switch. .
L_ _______________ J
4. During operation, be careful not to allow your or any other person's head, hands or fingers to come close to the handwheel, V belt
and motor. Also, do not place any instrument, tool or anything that is not necessary lor sewing close to them.
Doing
so is dangerous.
5. If your machine is provided with a belt cover, linger guard, eye guard or any other protectors, do not operate your machine with
any of them removed. Doing so is very dangerous.
6. Before Inspecting, adjusting or cleaning the machine, threadingthe machine head or replacing the needle, be sure to tum OFF the
power to the machine so as to preventan accident and confirm that the sewing machine will not operate even when depressing
the
foot pedal of the sewing machine. .
7. If your machine is equipped with a clutch type motor, the motor will be kept running by inertia after turning OFF the power switch.
It is dangerous to depress the foot pedal olthe sewing machine while the motor is still running, because the sewing machine will
start rotating abruptly. Be sure to keep the foot pedal ot the sewing machine held depressed after turning OFF the power switch
until the sewing machine completely stops.
8. When you leave from your machine, make sure to tum OFF the power to it.
9. In case of a power failure, make sure to tum OFF the power to the machine.
10. Do not wipe the surface of lhe machine head with lacquer thinner.
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1. INSTALLING THE FRAME SUPPORT PLATE
~----
L I
0
2. MOTOR PULLEY AND V BELT
I
50Hz
r--
V belt (inch}
Sewing speed I
(s.p.m.) I Motor pulley Semi-
Fully-
'
outerdia. (mm)
sunken
sunken
''"'
''"'
8500
160.5 40 36
8000 !50.5 40 34
7500 140.5
38
34
7000 130.5
38
34
6500 120.5 I 38
32
6000
110.5
36
32
5500 100.5 36 32
-
5000 90.5
35 30
4500
85.5 35 30
I
'
I) Attach
blower case 8. rubber cushion 0 10 frame support
plate 0.
2) Install fram~ support plate 0 directly to the table.
3) Install upper waste chute 0 to the left on the table, and then
auach lower waste chute 9 tO the upper waste chute.
The installation of the chutes can be adjusted within a length of
56mm.
60Hz
I) If the sewing spc;:ed of the machine
V belt (inch)
ex(;eed~ 7,500 ~.p.m., the machine
i~ ~quipptd with a cluu:h molor of
Motor pulley
Semi-
Fully-
3/4 HP(550W).Ifitis7,500s.p.m.
outerdia. (rom)
~u11ken sunken
or lower, the machine is equipped
''" ''" with aclutch motor
of Ill HP(400
135.5 38
34
W).
125.5
38 32
2) UseanMtypeVbel!.
3) The table on the left shows the
120.5
38 32
sewing speeds obtnined by the use
110.5 36 32
of m<Jtor pulleys with different
diarnete~ and V belts with different
100.5 36 32
lengths.
95.5 35 30 4) Note that the effective diameter
of
!!5.5 35 30
the pulley of the machine head is 50
~------
·w
mm.
80.5
34
70.5 34
30
4.
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4. INSTALLING THE PEDALS
3. ATTACHING THE BELT COVER II
l '=======;===~
I
i
0
~~~b,~"'iJI
L-------------------~
)
(!}
Install belt cover 0 10 the machine head.
I5. LUBRICATION
I} Install stllning pedal 0 on the left and pre~~er lifter pedal f) on the right as
seen From the operator.
2} Use :m S-shaped hook 0 to connect the chain 8 of the presser lifter pedal
to presser lifting lever 0.
'------~--=---~~--~- r I ~0_~~~:::::l_j
I) Remo~e oil cap 0 . *Checking the cartridgefilter and replacing it
2) Po(lrJU£<11\\:w Defri;o; Oil No.2 into the oil reservoi[ 1. After a long period of us.tge, cartridge filter 0 may
3) Supply oil UJJtilthe pointer bar a!mo~t reoches the upper red marker line when become clogged with dust.
oil gauge f} is observed from the ~ide. If the machine i:; left in this otatc, the dirty oil may fail 10
-1'-. Caution Becareful not to exceed the upper red marker fine, or pass lhrough canridge filter 0 , and the machine may
LJ..l else troubles due to excessive lubrication may resuh. wear out abnonnally. or a seizure may result.
*Car1ridge filler 0 should nonnally be checked once
4) Remove oil drain cap 8 when dr.tining the oil reservoir. every six months. and cleaned or replaced accordingly.
" "
'·'
• lubrication the needle cooler
I) Open cloth plat~: c.:o~r and supply silicon oil from section e.
2) Remove plug@), and supply silicon oiL
3} Infiltrate silicon oil al>o into the oil felt if the machine is started immediately
aft~r lubricating the needle cooler.
2. How to inspect the car1ridge filter and replace it
I) Remove firot oil di~charging >crew f).
2) Remove screw~ 8. and lift top cover 0 just above until
it comes of[
(Caution) Htop cover 0 Is shiftedsideward, the oil amount
pointer bar and the cartridge filtermay be damaged.
3) Remove cartridge filter 0 (IJld check n. If the filter is
found to be abnonnal, clean the relevant components, or
replace can ridge filter 0.
4) Re-inscn canridge filter 0 into its proper po-;ition and
relllm the cover_ Do not forget to put back the setscrews
(IJld tighten them up.
From the library of: Superior Sewing Machine & Supply LLC

I6. ATTACHING NEEDLES
SWUcl\-ott main switch belore allar::lllng needles! W~" using
clutch m01ors wl!.hollt attua\101\
to~k walt unHitlla molor has
stopped tolall~l
SP172
The standard needle is "0Cx27 #II." You can also use the Delli needle. ln this c-ase, how(;!ver, the clearance provided between the needle and !he
looper may be required to be adjusted. If sewing need to be carried out with afinely-adjusted thread tension, use the DCx27 needle.
Anach the needle.~ according to the following procedure;
I) Bring needle damp 0 to the highest po~ition.
2) Loosen needle clamp screw 8, and fully insert the needle into the needle clamp hole with the needle recess facing backwards as viewed from
the oper<llor's side.
3) Tighten the needle clamp screw 0 _
I 7. THREADING THE MACHINE
Switch-oft mBin switch befe>re throadlng! Whn using clutch
motms without actu!lllon toc:k wait until the motor has stopl""d
totaHy!
Thread the machine according to the threading chaJt g'tven below. (The same chart is on the irr~ideofthe looper cover.)
SP161
* How 10 thread lhe needle thread silicon oil tank
When the needle cooler is used
Pass the thread under the
center pawl.
When the nee!Je cooler 1s
not used
Pass the thread above the
center pawl.
lntermcdlal" t'ucad gu;,Je
-6-
,,
·~
= \ :\@
\.:::......J.'
I
~
~.-----
(Caution)
When using an untwisted
thread suchas wooly nylon
thread or weak thread, do
not wind it round lheinter·
mediate thread guide.
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8. PRESSER FOOT PRESSURE
AND LIFTER
I) Adjust the pressure of the presser foot by loosening tin;t nut
0 and turning presser foot adjust screw 0.
When the adjust screw is turned clockwise, the pressure will
increase. When it is turned oounterdockwise,. !he pressure
wi!l decrease. After lhe adjustment. be sure to tum nut 0
without faiL
2) To open presser foot f) sideward, lower presser bar lifting
leverO.
9. ADJUSTING THE STITCH LENGTH
Switch-off main switch before selling the stitch length!
When using clutch motors with-out actuation lock wait until
the motor has stopped totally!
I) Slowly tum the handwhecl as you keep depressingpushbutton 8, and you
will find a)Xlint at which the pushbutton goes in farther.
2) Wnh the above condition maintained, align the desired scale mark on !he
handwheel with mark 8 on the belt cover.
3) Reset the pushbuuon after setting the dial.
10. DIFFERENTIAL FEED MECHANISM
-7-
I) Loosen difft:rential feed kx:k nul 8.
Move leverO up for stretching stitch or down
for gathering stitch.
2) When the differential feed adjusting lever is
se1 to graduationS, the machine will perfonn
stretching with a differential feed ratio
of
I:0.8. When the lever is set to graduation
0, the differential feed ratio between the main
feed dog and the differential
ked dog will be
I :I.
3) The maximum differential feed ratio for
gathering is 1 :2.3 (it can be set to I:4.5
depending on the adjust-ment of the in1emal
mechanism of the sewing machine). The
graduations beyond 0 are used as reference.
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11. KNIVES AND OVEREDGE WIDTH
Switch-oft main switch betore adjusting the height
of knives! When using clutch motors without
actuation lock wait until the motor has stopped
totally!
• Height of lower knife
Loosen setscrew 8 and adjust the height or lower knife 0 so that
its edge is flush with the throat plate surface.
• Height of the upperknife
lJ:Josen setscrews 0, 0 and perform adjustment so that upper
knife 8 overlaps lower knife 0 by 0.5
IO I mm when the upper
knife is
at its lowert point.
• Dveredge widths
Ove~edge widths of 2 through 4.8 mm are provided by changing the
parts or by using subclass models. (The ovcrcdgc width will be
slightly larger !han the knife cut width.)
To change the overedge width:
l) Loosening setscrew 0 , push lower knife 0 to the left
and fix it.
2) Loosen setscrew 0 and move upper knife 8 as required, then
fix it.
3) Lower the llpper knife to its lowest point and loosen set~crcw
@. Tighten setscrew 0 when the lower knife comes in contact
with the upper knife.
1. Be sure to tighten screw (j) before operating
machine.
2.Aiter the completion of adjustment, make the
(caution) knives cut a thread to ch~k for sharpness of the
knives.
• Resharpening the lower knife
Whefl the lower knife ha~ become dull, rcsharpen it as shown in the
figure lefr.
12. SPECIFICATIONS
Sewing speed (Ma."<.)
Stitch length
Needle guagc
Overedge width
-=------ .. --·
Differemial feed ratio
Needle
Presser foot lifl
Presser fool lift
SP161
SPI72
8,500s.p.m. j" 8,000s.p.m.
---------------------------------------- ----------------------------------------
(exduding some subclass models)
0.8- 3.5 mm
2.0, 2.4 mm
u~u- ~D.•~u-
·-·--- -··~·-:-:--:'-:--=--·-·- .. ~·-.~.
Gathering stitch 2.3 (Max. I:4.5), Stretching stitch I :0.8
DC x 27 (Smmlard) DC x 1 may be used
--------------- --~..?-~~--- ------------- _l ______ -------
7mm
c- .. -- ···-- ···--·- --"''''cdc"c"c;""•cw~m;c'c'=""~'~::=':cm="'c;c'=''=l-------------1
JUKI New Defrix Oil No. 2
From the library of: Superior Sewing Machine & Supply LLC